Timer overhaul: update tests

tests/geometry_demo/geometry_main.py

@@ -135,7 +135,7 @@ class GeometryDemoRunner:
         self.current_index = 0
         self.render_wait = 0
 
-        def screenshot_cycle(runtime):
+        def screenshot_cycle(timer, runtime):
             if self.render_wait == 0:
                 if self.current_index >= len(self.screens):
                     print("Done!")
@@ -162,7 +162,7 @@ class GeometryDemoRunner:
                     print("Done!")
                     sys.exit(0)
 
-        mcrfpy.setTimer("screenshot", screenshot_cycle, 100)
+        self.screenshot_timer = mcrfpy.Timer("screenshot", screenshot_cycle, 100)
 
     def run_interactive(self):
         """Run in interactive mode with menu."""

tests/geometry_demo/screens/base.py

@@ -46,17 +46,19 @@ class GeometryDemoScreen:
 
     def cleanup(self):
         """Clean up timers when leaving screen."""
-        for timer_name in self.timers:
+        for timer in self.timers:
             try:
-                mcrfpy.delTimer(timer_name)
+                timer.stop()
             except:
                 pass
 
     def restart_timers(self):
         """Re-register timers after cleanup."""
+        self.timers = []  # Clear old timer references
         for name, callback, interval in self._timer_configs:
             try:
-                mcrfpy.setTimer(name, callback, interval)
+                timer = mcrfpy.Timer(name, callback, interval)
+                self.timers.append(timer)
             except Exception as e:
                 print(f"Timer restart failed: {e}")
 
@@ -111,6 +113,6 @@ class GeometryDemoScreen:
         if callback is None:
             print(f"Warning: Timer '{name}' callback is None, skipping")
             return
-        mcrfpy.setTimer(name, callback, interval)
-        self.timers.append(name)
+        timer = mcrfpy.Timer(name, callback, interval)
+        self.timers.append(timer)
         self._timer_configs.append((name, callback, interval))

tests/geometry_demo/screens/pathfinding_animated_demo.py

@@ -269,7 +269,7 @@ class PathfindingAnimatedDemo(GeometryDemoScreen):
         self.dist_label.fill_color = mcrfpy.Color(150, 150, 150)
         self.ui.append(self.dist_label)
 
-    def _tick(self, runtime):
+    def _tick(self, timer, runtime):
         """Advance one turn."""
         self.current_time += 1
         self.time_label.text = f"Turn: {self.current_time}"

tests/geometry_demo/screens/solar_system_demo.py

@@ -255,7 +255,7 @@ class SolarSystemDemo(GeometryDemoScreen):
         self.ui.append(moon_path)
         self.orbit_rings[moon.name + "_path"] = moon_path
 
-    def _tick(self, runtime):
+    def _tick(self, timer, runtime):
         """Advance time by one turn and update planet positions."""
         self.current_time += 1